Grace ladder grace (NTN) developed bearing just 5 mm diameter of the world's most path taper roller bearings. Inner diameter size for φ 5.0 by outside diameter φ 17.0 x width 10 mm. Previous minimum taper roller bearings for the size of the inner diameter φ 9.4 by outside diameter φ 23 x width 13 mm. New products are mainly used for will exert idea heavy load of preloading reducer, medical apparatus and the machinery, etc.
At present, the bearing diameter of the rolling bearing for 5 mm is used mostly miniature ball bearings, but there are bigger load life and rigid topics such as the insufficient. Compared with miniature ball bearing, the development of circular cone roller bearings can improve load capacity and rigidity, can realize the long life and small design. And similar size compared ball bearings, life expectancy for the 14 times, rigid for its 5 times.




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